周友行,吴冲,杨文佳,邹鑫,闫宋祥,钟垂

• 1:湘潭大学机械工程与力学学院

摘要(Abstract)：

为了筛选出多种粒径的海泡石颗粒产品，设计一种重力式分级器。针对气体和海泡石颗粒组成的气-固两相流体建立欧拉-拉格朗日两相模型，求解海泡石颗粒分级过程的运动特性；通过分析海泡石颗粒的运动轨迹、位置等运动特性和各级出口处的颗粒粒径分布，确定各级出口的区间分布。结果表明：海泡石颗粒的粒径越小，受分级气流的影响越大；通过分析不同粒径海泡石颗粒在不同时刻的位置，划分出颗粒的分级区间；根据各级出口的颗粒粒径分布分析，确定粒径为1～10μm的海泡石颗粒表现出更集中的粒径分布，更好的单分散性。

关键词(KeyWords)： 重力分级;海泡石颗粒;多粒径;气-固两相流;数值模拟

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目,编号：52175254;; 湖南省研究生科研创新项目,编号：CX20220603

作者(Author): 周友行,吴冲,杨文佳,邹鑫,闫宋祥,钟垂

DOI: 10.13732/j.issn.1008-5548.2023.06.002

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